From: Jeff Garzik <jeff@garzik.org>
To: Greg KH <greg@kroah.com>, Andrew Morton <akpm@osdl.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] USB/gadget/net2280: handle sysfs errors
Date: Wed, 11 Oct 2006 21:50:24 -0400 [thread overview]
Message-ID: <20061012015024.GA13093@havoc.gtf.org> (raw)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
drivers/usb/gadget/net2280.c | 20 ++++++++++++++++----
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index d954daa..7cfe0e5 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2044,8 +2044,10 @@ int usb_gadget_register_driver (struct u
return retval;
}
- device_create_file (&dev->pdev->dev, &dev_attr_function);
- device_create_file (&dev->pdev->dev, &dev_attr_queues);
+ retval = device_create_file (&dev->pdev->dev, &dev_attr_function);
+ if (retval) goto err_unbind;
+ retval = device_create_file (&dev->pdev->dev, &dev_attr_queues);
+ if (retval) goto err_func;
/* ... then enable host detection and ep0; and we're ready
* for set_configuration as well as eventual disconnect.
@@ -2060,6 +2062,14 @@ int usb_gadget_register_driver (struct u
/* pci writes may still be posted */
return 0;
+
+err_func:
+ device_remove_file (&dev->pdev->dev, &dev_attr_function);
+err_unbind:
+ driver->unbind (&dev->gadget);
+ dev->gadget.dev.driver = NULL;
+ dev->driver = NULL;
+ return retval;
}
EXPORT_SYMBOL (usb_gadget_register_driver);
@@ -2974,8 +2984,10 @@ static int net2280_probe (struct pci_dev
: "disabled");
the_controller = dev;
- device_register (&dev->gadget.dev);
- device_create_file (&pdev->dev, &dev_attr_registers);
+ retval = device_register (&dev->gadget.dev);
+ if (retval) goto done;
+ retval = device_create_file (&pdev->dev, &dev_attr_registers);
+ if (retval) goto done;
return 0;
reply other threads:[~2006-10-12 1:50 UTC|newest]
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